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DTSTART;TZID=America/Los_Angeles:20220506T120000
DTEND;TZID=America/Los_Angeles:20220506T130000
DTSTAMP:20260428T065417
CREATED:20220502T161810Z
LAST-MODIFIED:20220502T162026Z
UID:1184-1651838400-1651842000@inpa.lbl.gov
SUMMARY:Andrei Puiu (Gran Sasso Science Institute) "Direct Dark Matter Search with COSINUS"
DESCRIPTION:ABSTRACT: \nThe search for dark matter is one of the most important challenges in modern physics. In my presentation I will make a brief introduction to the direct detection of dark matter in underground facilities\, followed by the description of the COSINUS experiment. COSINUS aims at the direct detection of dark matter scattering off Na and I nuclei. It will use sodium Iodide crystals as absorber and hence as the dark matter target in a low temperature detector operating at ~10 mK. The unique feature of COSINUS is the simultaneous measurement of both the phonon signal and the scintillation signal. This will allow us to perform an event-by-event particle identification using the light yield of each energy deposition in the crystal\, and to finally disentangle electron from nuclear recoil events. I will give an overview of the experimental technique and of the experimental facility currently under construction in Hall B of the Laboratori Nazionali del Gran Sasso. \n──────────\nTroy Cortez is inviting you to a scheduled Zoom meeting. \nJoin Zoom Meeting\nhttps://lbnl.zoom.us/j/95016696011?pwd=Tk1XOW1Xd3RYRnlsc2tEYmRWZlVVZz09 \nMeeting ID: 950 1669 6011\nPasscode: 247722\nOne tap mobile\n+16692192599\,\,95016696011#\,\,\,\,*247722# US (San Jose)\n+16699006833\,\,95016696011#\,\,\,\,*247722# US (San Jose) \nDial by your location\n+1 669 219 2599 US (San Jose)\n+1 669 900 6833 US (San Jose)\n+1 213 338 8477 US (Los Angeles)\n+1 253 215 8782 US (Tacoma)\n+1 346 248 7799 US (Houston)\n+1 602 753 0140 US (Phoenix)\n+1 720 928 9299 US (Denver)\n+1 971 247 1195 US (Portland)\n+1 206 337 9723 US (Seattle)\n+1 301 715 8592 US (Washington DC)\n+1 312 626 6799 US (Chicago)\n+1 470 250 9358 US (Atlanta)\n+1 470 381 2552 US (Atlanta)\n+1 646 518 9805 US (New York)\n+1 646 558 8656 US (New York)\n+1 651 372 8299 US (Minnesota)\n+1 786 635 1003 US (Miami)\n+1 267 831 0333 US (Philadelphia)\nMeeting ID: 950 1669 6011\nPasscode: 247722\nFind your local number: https://lbnl.zoom.us/u/adwvXepZVp \nJoin by SIP\n95016696011@zoomcrc.com \nJoin by H.323\n162.255.37.11 (US West)\n162.255.36.11 (US East)\n115.114.131.7 (India Mumbai)\n115.114.115.7 (India Hyderabad)\n213.19.144.110 (Amsterdam Netherlands)\n213.244.140.110 (Germany)\n103.122.166.55 (Australia Sydney)\n103.122.167.55 (Australia Melbourne)\n64.211.144.160 (Brazil)\n69.174.57.160 (Canada Toronto)\n65.39.152.160 (Canada Vancouver)\n207.226.132.110 (Japan Tokyo)\n149.137.24.110 (Japan Osaka)\nMeeting ID: 950 1669 6011\nPasscode: 247722 \n──────────
URL:https://inpa.lbl.gov/event/andrei-puiu-gran-sasso-science-institute-direct-dark-matter-search-with-cosinus/
LOCATION:50A-5132 / https://lbnl.zoom.us/j/95016696011?pwd=Tk1XOW1Xd3RYRnlsc2tEYmRWZlVVZz09\, One Cyclotron Road\, 50A-5132\, Berkeley\, CA\, 94720\, United States
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20220513T120000
DTEND;TZID=America/Los_Angeles:20220513T130000
DTSTAMP:20260428T065417
CREATED:20220513T181648Z
LAST-MODIFIED:20220513T181648Z
UID:1190-1652443200-1652446800@inpa.lbl.gov
SUMMARY:Christopher Grant (University of Boston) - New Results from KamLAND-Zen 800 with Nearly a Ton-Year Exposure of Xe-136
DESCRIPTION:KamLAND-Zen is searching for neutrinoless double-beta (0νββ) decay in Xe-136 using a xenon-loaded liquid scintillator.  The KamLAND-Zen detector was recently upgraded with almost double the amount of xenon and an ultra-low radioactivity container.  With almost 1-ton-year of Xe-136 exposure\, we are exploring the double-beta decay parameter space corresponding to the inverted hierarchy for the first time.  We have not yet observed NDBD\, but these results make use of novel algorithms to perform beta-gamma separation using ML and tag spallation products on day-long time scales.  We obtain a lower limit for the 0νββ decay half-life of 2.3×10^26 yr at 90% C.L.\, corresponding to upper limits on the effective Majorana neutrino mass of 36-156 meV using commonly adopted nuclear matrix element calculations.
URL:https://inpa.lbl.gov/event/christopher-grant-university-of-boston-new-results-from-kamland-zen-800-with-nearly-a-ton-year-exposure-of-xe-136/
LOCATION:50A-5132- Sessler\, 50A-5132 Sessler Conference Room\, CA
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